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authorSohil Mehta <sohil.mehta@intel.com>2018-09-12 03:11:38 +0300
committerJoerg Roedel <jroedel@suse.de>2018-09-25 15:33:43 +0300
commitee2636b8670b1ab2a02a65923a9bef59e9199c37 (patch)
tree340b641db7e72cba2cf7c7746f6a1f529aa1a9b5 /drivers/iommu/intel-iommu-debugfs.c
parent4a2d80dbadb72b998641af32d8dd4b7b39e72aa0 (diff)
downloadlinux-ee2636b8670b1ab2a02a65923a9bef59e9199c37.tar.xz
iommu/vt-d: Enable base Intel IOMMU debugfs support
Add a new config option CONFIG_INTEL_IOMMU_DEBUGFS and do the base enabling for Intel IOMMU debugfs. Cc: Lu Baolu <baolu.lu@linux.intel.com> Cc: Fenghua Yu <fenghua.yu@intel.com> Cc: Ashok Raj <ashok.raj@intel.com> Cc: Jacob Pan <jacob.jun.pan@linux.intel.com> Co-Developed-by: Gayatri Kammela <gayatri.kammela@intel.com> Signed-off-by: Gayatri Kammela <gayatri.kammela@intel.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Lu Baolu <baolu.lu@linux.intel.com> Signed-off-by: Sohil Mehta <sohil.mehta@intel.com> Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers/iommu/intel-iommu-debugfs.c')
-rw-r--r--drivers/iommu/intel-iommu-debugfs.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/iommu/intel-iommu-debugfs.c b/drivers/iommu/intel-iommu-debugfs.c
new file mode 100644
index 000000000000..33e0a6c12d92
--- /dev/null
+++ b/drivers/iommu/intel-iommu-debugfs.c
@@ -0,0 +1,20 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright © 2018 Intel Corporation.
+ *
+ * Authors: Gayatri Kammela <gayatri.kammela@intel.com>
+ * Sohil Mehta <sohil.mehta@intel.com>
+ * Jacob Pan <jacob.jun.pan@linux.intel.com>
+ */
+
+#include <linux/debugfs.h>
+#include <linux/dmar.h>
+#include <linux/intel-iommu.h>
+#include <linux/pci.h>
+
+#include <asm/irq_remapping.h>
+
+void __init intel_iommu_debugfs_init(void)
+{
+ debugfs_create_dir("intel", iommu_debugfs_dir);
+}